UniFire&reg; Solar Powered Mosquito Killer Lamp with Rechargeable Battery Advanced Electronic Insect Control,Portable, cordless and rechargeable,very convenient. Powered by Solar Power+electricity charge Uses nontoxic ultraviolet light to eliminate mosquitoes, biting flies, and other insects over a 1-acre area Without chemicals,more cleaner and safer The insect killer features high-impact construction and a protective outer enclosure to prevent children, pets, birds, or wildlife from contacting the charged grid.